Industrial Process Pressure Gauges
(Compound Pressure gauge)

General Specification

Reference Standard

EN – 837 / IS 3624-1987 / ASME

Model

G 31

Application

Industrial process pressure measurement

Type

Weather proof 

Nominal Diameter

4” (100 mm) 6” (150 mm)

Case Material

Stainles Steel 304

Bezel Material

Stainless Steel 304

Bezel fitting

Bayonet Type

Stem/ Socket Material

316St.St./ St. St. 316L

Sensing Element

316 St. St / 316L St.St Bourdon tube

Joint

Argon arc welded

Movement

SS304

Pointer

Black Aluminium -

Dial

White coated Aluminium

Marking

Black ‘or’ Black and red combination for dual scale

Scale

Single / Dual

Standard Unit

kg/cm2 / kg/cm2 with psi (All other standard engineering units are available on request)

Mounting

Please refer the mounting chart

Thread

3/8” / ½” NPT / BSPP / BSPT; M 20 X 1.5

Window

Polycarbonate / Acrylic / Toughened glass

Available in

Pressure / Compound / Vacuum

Minimum Range

-1 to 0.6 kg/cm2 / bar

Maximum range

-1 to 40 kg/cm2 / bar

Over Pressure

130% FS Short time

Case filling liquid

Glycerine / non-conductive fluid for Electric contact

Accuracy

+/- 1% ‘or’1.6% of FSD

Additional Fitment

Optional*

Calibration Certificate

Factory calibration certificate shall be provided

Additional Fitment                               Diaphragm Sealed

Compact Diaphragm

Flanged Diaphragm Sealed

Tri Clover Diaphragm

I Section Flanged Diaphragm

Union Nut Diaphragm

Threaded Diaphragm

Chemical Sealed

High Pressure Diaphragm Sealed

Homogenizer Diaphragm Sealed

Additional Fitment                               Accessories

Snubber/ Dampner

Isolation Valve / needle valve

Siphon

Gauge saver/ Over Pressure protector

Gauge cock

Cooling tower

Siphon with gauge cock